package com.itheima.reggie.controller;

import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.reggie.common.Result;
import com.itheima.reggie.dto.SetmealDto;
import com.itheima.reggie.entity.Category;
import com.itheima.reggie.entity.Dish;
import com.itheima.reggie.entity.Setmeal;
import com.itheima.reggie.service.CategoryService;
import com.itheima.reggie.service.DishService;
import com.itheima.reggie.service.SetmealService;
import lombok.extern.slf4j.Slf4j;
import org.springframework.beans.BeanUtils;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;
import java.util.stream.Collectors;

@RestController
@RequestMapping("/setmeal")
@Slf4j
public class SetmealController {

    @Autowired
    private SetmealService setmeaService;


    @Autowired
    private CategoryService categoryService;


    /**
     * 套餐添加
     * @param setmealDto
     * @return
     */
    @PostMapping
    public Result<String> save(@RequestBody SetmealDto setmealDto){

        setmeaService.saveWithDish(setmealDto);

        return Result.success("添加成功");

    }


    /**
     * 套餐删除
     * @param ids
     * @return
     */
    @DeleteMapping
    public Result<String> delete(@RequestParam List<Long> ids){

        log.info("ids : {}",ids);
        setmeaService.removeWithDish(ids);

        return Result.success("删除成功");

    }

    /**
     * 套餐分页查询
     * @param page
     * @param pageSize
     * @param name
     * @return
     */
    @GetMapping("/page")
    public Result<Page> page(int page, int pageSize,String name){

        //创建分页构造器对象
        Page<Setmeal> pageInfo = new Page<>(page,pageSize);
        Page<SetmealDto> dtoPage = new Page<>();
        //创建条件构造器
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.like(name != null ,Setmeal::getName,name);
        //按修改时间 降序排序
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        setmeaService.page(pageInfo,queryWrapper);

        //对象拷贝
        BeanUtils.copyProperties(pageInfo,dtoPage,"records");
        List<Setmeal> records = pageInfo.getRecords();

        List<SetmealDto> list = records.stream().map((item) ->{

            SetmealDto setmealDto = new SetmealDto();
            //对象拷贝
            BeanUtils.copyProperties(item,setmealDto);
            //分类id
            Long categoryId = item.getCategoryId();
            //根据分类id 查询分类对象
            Category category = categoryService.getById(categoryId);

            if (category != null){
                //分类名称
                String categoryName = category.getName();
                setmealDto.setCategoryName(categoryName);

            }
            return setmealDto;
        }).collect(Collectors.toList());

        dtoPage.setRecords(list);
        return Result.success(pageInfo);
    }


    /**
     * 根据条件查询他套餐
     * @return
     */
    @GetMapping("/list")
    public Result<List<Setmeal>> list(Setmeal setmeal){

        log.info("categoryId" + setmeal.getCategoryId());
        LambdaQueryWrapper<Setmeal> queryWrapper = new LambdaQueryWrapper<>();
        queryWrapper.eq(setmeal.getCategoryId()  !=  null,Setmeal::getCategoryId,setmeal.getCategoryId());
        queryWrapper.eq(setmeal.getStatus()  !=  null,Setmeal::getStatus,setmeal.getStatus());
        queryWrapper.orderByDesc(Setmeal::getUpdateTime);

        List<Setmeal> list = setmeaService.list(queryWrapper);

        return Result.success(list);


    }


}
